Even as the Arab League threw its weight behind the Palestinian Authority's bid for UN recognition of a Palestinian state, officials are having second thoughts.
In the wake of Argentina and Brazil's formal recognition of a Palestinian state, some are calling on the US to step in with a peace plan of its own.
The Palestine Liberation Organization (PLO) move to allow indirect talks with Israel clears the way for the first negotiations in more than a year ahead of Vice President Joseph Biden's arrival in the region later this week.
Palestinian polls show Abbas gaining significant support in recent months over Hamas, which harshly criticized his willingness to meet the Israeli leader without a settlement freeze in place.
Hamas Prime Minister Ismail Haniyeh said Sunday that Palestinians would reject anything rival Palestinian leader Mahmoud Abbas agrees to during this week's talks with President Obama and Israeli Prime Minister Benjamin Netanyahu.